Internodes puberulent along 2 sides and at nodes. Petiole 2-4 mm, adaxially densely puberulent; leaf blade linear-oblong, to 5 cm × 3 mm, base cuneate, apex acute; midvein raised adaxially, lateral veins obscure, glabrous. Inflorescences 2-3.5 cm; cymules mostly 2, separated by rachis ca. as long as pedicels; rachis of cymules slightly elongated, ± fleshy, very sparsely puberulent. Pedicel 6-10 mm. Sepals elliptic, ca. 1.5 × 0.6 mm, sparsely puberulent. Corolla apparently green, campanulate, ca. 2.5 mm, glabrous outside, minutely hairy inside, hairs short, stiff, white; tube ca. 1.5 mm; lobes triangular, revolute, twisted. Corona reduced to inconspicuous collar concealing bases of anthers. Pollinia oblong-reniform. Follicles solitary, narrowly fusiform, ca. 5.5 cm × 4 mm.

* ca. 2700 m. Xizang